-
Telegraf
Agent for collecting, processing, aggregating, and writing metrics, logs, and other arbitrary data.
-
InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
For Linux you want to use the lmsensors input. On windows I'm not sure maybe there is a performance counter
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.